Game Center lost Data, how can I get it back?

[iMore Question]

Game Center lost Data

I loaded Boom Beach on my new iPhone 6s, it loaded the game from the beginning HQ1.

When i tried to get the unique key to transfer my Boom Beach data from my old phone to my new device i f*^%@d up and loaded the HQ 1 to my old device on the game center account!

Is there any way i can recover hy HQ16 progress on Boom Beach/Game Center?
(Have already tried restoring my iPhone backup done a few days before)

Please please please please help!